Door for a milling machine



FIG. 1 is a front, top and right side perspective view of my design fora door for a milling machine;

FIG. 2 is a rear, top and left side perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

CLAIM The ornamental design for a door for a milling machine, as shownand described.